Class: FieldMapper::Custom::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/field_mapper/custom/converter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(custom_instance) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/field_mapper/custom/converter.rb', line 11

def initialize(custom_instance)
  @custom_plat = custom_instance.class
  @custom_instance = custom_instance
  @standard_plat = custom_plat.standard_plat
end

Instance Attribute Details

#custom_instance ⇒ Object (readonly)

Returns the value of attribute custom_instance.



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# File 'lib/field_mapper/custom/converter.rb', line 5

def custom_instance
  @custom_instance
end

#custom_plat ⇒ Object (readonly)

Returns the value of attribute custom_plat.



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# File 'lib/field_mapper/custom/converter.rb', line 5

def custom_plat
  @custom_plat
end

#standard_plat ⇒ Object (readonly)

Returns the value of attribute standard_plat.



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# File 'lib/field_mapper/custom/converter.rb', line 5

def standard_plat
  @standard_plat
end

Instance Method Details

#convert_to(custom_plat, memoize: true) ⇒ Object 



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# File 'lib/field_mapper/custom/converter.rb', line 42

def convert_to(custom_plat, memoize: true)
  @converted_to_custom ||= {}
  @converted_to_custom[custom_plat] = nil unless memoize
  @converted_to_custom[custom_plat] ||= begin
    converter = FieldMapper::Standard::Converter.new(convert_to_standard)
    converter.convert_to(custom_plat)
  end
end

#convert_to_standard(memoize: true) ⇒ Object 



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# File 'lib/field_mapper/custom/converter.rb', line 17

def convert_to_standard(memoize: true)
  @converterd_to_standard = nil unless memoize
  @converterd_to_standard ||= begin
    standard_instance = standard_plat.new

    custom_plat.fields.each do |custom_field_name, custom_field|
      if custom_field.standard_field.present?
        raw_standard_value = get_raw_standard_value(
          custom_field,
          custom_instance[custom_field_name],
          standard_instance
        )
        raw_standard_value = custom_field.standard_field.cast(raw_standard_value)
        standard_instance[custom_field.standard_field.name] = raw_standard_value
      end
    end

    [custom_instance, standard_instance].each do |instance|
      instance.send(:after_convert, from: custom_instance, to: standard_instance)
    end

    standard_instance
  end
end